F rictio n j o u rn al- boxes



` To /ZZ whcntimay concern:

` `and lifes,` therefore Arena Erice.

nEnEYr. wEsrcorT, 0E sENEoA EALLs, vEEw YoEx.

`Speciiication forming part of Letters Patent Nal, dated March 14, 1871.

` j Beit kn own `that I, `HENRY RWEsrcorr, o

3 `Seneca Falls, `county of Seneca, and State of f New York, `have.invented a new and useful 1 Improvement in the Method of Using Anti` Friction Rollers upon Axles and Journals; and

` I do `hereby declare that the following is a full `figures and` lettersthereon.

i The `object ofniy invention is to lessenthe l "frictionupon axles and journals wherever used. i

\ `My invention consists of a loose thimble or sleeve and aseries ofrollers-three or more in l number-surroundingan axle or journal and supporting and revolving with or upon said ax1eorjournal`,the rollers being kept at fixed f distances apartfnponsaid thimble, to avoid i friction of therollersf upon each other, by means of two revolving disks or ringspierced i with holes` corresponding in nuinberwith the number of rollers* used,and `designed to hold thegendsorfaxles of said rollers at iixed distances apart; ortlie rings maybe used to susltain fixed axlesfor said rollers to turn upon. f Alhe axle `or journal;` with `its surrounding thimble, rollers, andseparating-rings,.is inclosed in a cylindrical` metallic case or hub of asizesufflcientfto hold said thimble, rollers,

f rings, `andaxlejorjournal coinpactlytogether, allowing, however, aisinall spacebetween the f rings and the ends oflthe `cylinder or hub for lateralmotion By `employing the loose thiinbleorfsleeve," `this` `lateral, motion of the axle 1takesplacewhollyfwithin the thimble and entirely independent offthe rollers,thus prei ventingany.,twistingfi,inotion of the rollers or `any tendency ,towardlsuch a motion. thimbleorzsleeveg tsloosely uponthe axle, tween the axle androll. {fers}` Wlienttlieaxle evolves, as in the case `@of a car-axleforla line of shafting, thisthinible will revolve; witliit, inconsequence ofthe friction `of theaxle` upon it, and it will in turn This cause the antiufrictionyrollers to revolve, thus converting allithe rubbing friction of anaxle `(as usually constructed)ii1to rolling frictionin other words,lreducing`the friction to a minimuni?. `-Thefvthiinblaby.being made of any desiredthickness can be made to exactly fill 1 the space between the axle and rollers, whatever the relative sizesof the axle, rollers, and

hub inay be, whereaswithout the sleeve it is difcultto adjust thesize `of the hub, the size of the rollers, and the number of rollers to an axle of a definite required size. Another advantage of thimble is that any wear that may take placewithin the hub or box, whether it be of the axle, thimble, rollers, or hub, can all be taken up i. readily by removing the old thimble and replacing it with a thicker one. .By using the cover of the end of the hub in r two parts, as shown, the lower half may be attached with a packing, making the joint oiltight, so that the hub may be kept nearly halffull of oil, if so lnuch oil were found desirable in practice. The upper half of the cap may be removed for the inspection of the interior or for supplying oil without disturbing the lower part.

Figure l represents a longitudinal or horizontal section of the hub and content-s. Fig. 2 represents a vertical section of the saine, the letters in both figures referring to the Asame parts, respectively.

A shows the axle; B B, the ends or axles of the rollers; C, the revolving rings.

D is a groove cut in the axle to receive the cap, by means of which the hub and axle are held togetherin position. Eis the cap. F is the hub or case, and H is the `sleeve or thimble.

J shows the line'of division between the upper and lower halves of the cap.

Having thus described iny invention, I claiin and desire to havesecured by Letters Patent- 1. The hub or box F, with a head or cap, E, inade in two parts, designed to iit into a groove, D, eut in an axle, A, to hold the axle in place, and for the purpose of an oil-box, arranged substantially in the manner as and for the purposes set forth' and described.

2.` An axle, A, in combination with sleeve H, rollers B B, and separating-rings E, all constructed and arranged substantially in the manner` as and for the purposesset forth.

3. The loose thimble or sleeve H upon an axle or shaft, A, in combination with the antifriction rollers B B, the separating-rings C, the groove D in the axle A, the hub F, and the cap E in two segments, substantially in Vthe manner as and for the purposes set forth and described.

Witness my hand this 18th day of January, 1871.

. HENRY l?. VVESTCO'IT.

Vitnesses:

R. BIoKEoRD,

JACOB H. Coni.. 

